Home / 3,748.88-5,135.94-3,608.70

Finding the Fourth Proportional to 3,748.88, 5,135.94 and 3,608.70

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Solution

The fourth proportional to 3,748.88, 5,135.94 and 3,608.70 is: 4,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.88 : 5,135.94 = 3,608.70 : x
  2. Step 2: Convert to fraction form
    3,748.88/5,135.94 = 3,608.70/x
  3. Step 3: Cross multiply
    3,748.88x = 5,135.94 × 3,608.70
  4. Step 4: Simplify right side
    3,748.88x = 18,534,047.42
  5. Step 5: Solve for x
    x = 18,534,047.42/3,748.88
  6. Step 6: Final answer
    x = 4,943.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.